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Viewing changes to drizzled/serialize/binlog_encoding.h

  • Committer: Brian Aker
  • Date: 2009-03-03 18:50:34 UTC
  • mfrom: (908.1.17 mordred)
  • Revision ID: brian@tangent.org-20090303185034-obr7tiwx8vyn0i7j
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drizzled/serialize/binlog_encoding.h
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  unsigned char *ptr= buf;
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  assert(length > 1);
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  if (length < 256)
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    *ptr++= length & 0xFF;
 
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    *ptr++= (unsigned char) (length & 0xFF);
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  else {
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    int_fast8_t log2m1= -1;        // ceil(log2(ptr - buf)) - 1
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    uint_fast8_t pow2= 1;          // pow2(log2m1 + 1)
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      // Write the least significant byte of the current
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      // length. Prefix increment is used to make space for the first
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      // byte that will hold log2m1.
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      *++ptr= length & 0xFF;
 
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      *++ptr= (unsigned char)length & 0xFF;
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      length >>= 8;
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      // Ensure the invariant holds by correcting it if it doesn't,